Piwik

Piwik is an open source web analytics package. It's meant to be an open source alternative to Google Analytics. It's written in PHP and JavaScript. It's currently available in more than 30 languages.

The Analytics Task Force is currently evaluating Piwik and other packages as possible measurement tools to address Wikimedia's needs.

Plugins of Interest

• Mediawiki Piwik_Integration extension
• Click Heatmap (dev only)

Analysis

It seems to have basic visualizations and click-tracking support. There doesn't seem to be segmentation support right now.

There is no event tracking.